2026 BMW M3 dimensions: length, width, height, weight, cargo
Length
189.1in long
- 15 ft 9.1 in. 4.80 m.
- 74.3 in wide, 56.6 in tall. 3,840 lb.
- RWD.
- Mid-size sedan.
Dimensions by trim
| Trim | Length | Width | With mirrors | Height | Wheelbase | Ground clearance | Turning circle |
|---|---|---|---|---|---|---|---|
| RWD, Competition RWD | 189.1 in | 74.3 in | 81.4 in | 56.6 in | 112.5 in | 4.7 in | 40.0 ft |
| Competition xDrive AWD | 189.1 in | 74.3 in | 81.4 in | 56.6 in | 112.5 in | 4.8 in | 41.3 ft |
| Trim | Curb weight | GVWR | Payload |
|---|---|---|---|
| RWD | 3,840 lb | 4,898 lb | 1,058 lb |
| Competition RWD | 3,759 lb to 3,891 lb | 4,949 lb | 1,058 lb |
| Competition xDrive AWD | 3,759 lb to 3,990 lb | 5,048 lb | 1,058 lb |
| Trims | Cargo, seats up | Cargo, max | Front legroom | Rear legroom | Front headroom | Rear headroom |
|---|---|---|---|---|---|---|
| All 3 trims | 16.9 cu ft | 16.9 cu ft | 41.6 in | 35.6 in | 40.6 in | 37.8 in |
Weight
- Curb weight
- 3,840 lb
- Kilograms
- 1,742 kg
- US tons
- 1.9 tons
RWD.
Heavier than 44% of 60 sedans (2026).
Garage fit
| Garage | Fits | Spare length | Each side |
|---|---|---|---|
| Single, 12 x 22 ft | Yes | 74.9 in | 34.9 in |
| Single, 14 x 24 ft | Yes | 98.9 in | 46.9 in |
| Double, 20 x 20 ft | Yes | 50.9 in | 82.8 in |
| Double, 24 x 24 ft | Yes | 98.9 in | 106.8 in |
| Door | Fits | Spare width | Above roof |
|---|---|---|---|
| 8 ft wide, 7 ft tall | Yes | 14.6 in | 27.4 in |
| 9 ft wide, 7 ft tall | Yes | 26.6 in | 27.4 in |
Door width check uses the mirrors: 81.4 in.
Your garage
Second car
Garage 12 x 22 ft. Door 9 x 7 ft.
- Yes. 74.9 in spare length. 34.9 in each side.
- Door: 26.6 in spare width. 27.4 in above the roof.
Size class
Mid-size sedan.
Longer than 37% of 68 sedans (2026).
Median of 68 sedans (2026): 193.4 in long.
Cargo, seats up: 16.9 cu ft. More than 60% of 61 sedans (2026).
Bigger and smaller rivals
| Model | Length | vs M3 | Cargo, seats up | vs M3 |
|---|---|---|---|---|
| Mercedes-Benz EQS | 201.9 in | +12.8 in | 15.5 cu ft | -1.4 cu ft |
| Lucid Air | 195.9 in | +6.8 in | N/A | N/A |
| Audi A6 Allroad | 194.9 in | +5.8 in | 30.0 cu ft | +13.1 cu ft |
| Audi A5 | 190.1 in | +1.0 in | 22.6 cu ft | +5.7 cu ft |
| BMW M3 | 189.1 in | - | 16.9 cu ft | - |
| Mercedes-Benz C-Class | 188.6 in | -0.5 in | 11.6 cu ft | -5.3 cu ft |
| Cadillac CT4 | 187.2 in | -1.9 in | 10.7 cu ft | -6.2 cu ft |
| Cadillac CT4-V Blackwing | 187.2 in | -1.9 in | N/A | N/A |
| Lexus IS | 185.8 in | -3.3 in | 10.8 cu ft | -6.1 cu ft |
Legroom and headroom
RWD.
- Front legroom
- 41.6 inMore than 33% of 70 sedans (2026).
- Rear legroom
- 35.6 inMore than 32% of 67 sedans (2026).
- Front headroom
- 40.6 inMore than 88% of 66 sedans (2026).
- Rear headroom
- 37.8 inMore than 64% of 67 sedans (2026).
What this cannot tell you
Outline is a body-style template scaled to these numbers.
Garage fit ignores shelves, steps and open doors.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree